Seats are made and fit according to era and Body Style. 5 Series was always a four door. only variations were Wagon / Touring and M Version
Note - Unless your vehicle was originally equipped for it, it may not be compatible with all options on all seats.
Seats were Comfort style, or Sport.
Power and heat was an option on both styles in most models
E12, from 1972 to 1981
E28, from 1981 to 1988
E34, from 1988 to 1996
E39, from 1996 to 2003
E60, from 2004 to 2010.
F10/F11, since 2010.
Most versions of body style and engine capacity combinations were available in a sedan or wagon
DH-25 BMW 52201831396 OEM Used REAR SEAT BRIDGE TRIM TOP LEATHER 1831396 52-20-1-831-396 52201831396 fits: E28
BMW OEM 67668360408 USED FRONT SEAT LUMBAR VALVE UNIT 528I 98 E39 528I 525I 530I 528I 525I 530I 540I